$red: red;
$orange: rgba(255, 81, 0, 0.842);
@mixin line-text-overflow {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
@mixin main-wapper {
  width: 1080px;
  margin: 0 auto;
}
// mixin flex 布局
@mixin flex-layout($dir: column, $justify: center, $align: center) {
  display: flex;
  flex-direction: $dir;
  justify-content: $justify;
  align-items: $align;
}
